Letter

Prof. Remolo Ciola, a Master and a Genius

Celso Blatt, PhD
GC and GC/MS Scientist
Agilent Technologies Brasil

"Prof. Ciola has always impressed me with his knowledge of basic chemistry, organic chemistry, synthesis, polymers and catalysis.”

Webinar

8th Webinar: Turning Paper and other Low-Cost Materials into Analytical Sensor Devices for In-Field Applications

Jun 25 / 14:00 (Brasilia time)
Speaker: Prof. Dr. Thiago R.L.C. Paixão - Read More

Webinar

7th Webinar: Restricted Access Materials in Biological Sample Preparation for the Determination of Metals and Organic Molecules

May 26 / 14:00 (Brasilia time)
Speaker: Prof.Dr. Eduardo Figueiredo - Read more

Webinar

6th Webinar: Analytical Chemistry Driven Personalised Medicine

April 30 / 14:00 (Brasilia time)
Speaker: Prof. Dr. Jose L. Capelo - Read more

Webinar

5th Webinar: Re-Imagining Standard Additions and InternalStandardization for More Efficient Calibration Methods

March 5 / 15:00 (Brasilia time)
Speaker: Prof. Dr. George L. Donati - Read more

Webinar

4th Webinar: Portable Analytical Tools for Bioanalytical and Forensic Applications

November 26 / 14:00 (Brasilia time)
Speaker: Prof. Wendell K. T. Coltro - Read more

Webinar

3rd Webinar: Analytical Strategies for Environmental and Ecotoxicological Studies

October 30 / 14:00 (Brasilia time)
Speaker: Prof. Dr. Marco T. Grassi - Read more

Webinar

2nd Webinar: Analysis of Clinical Biomarkers by ICP-MS: From Speciation to Single-Cell Approaches

Recorded: 25 September 2020
Speaker: Prof. Dr. Maria Montes - Read more

Webinar

1st Webinar: Development and Application of Methods for the Determination of Residues and Contaminants in Food and Environmental Samples

Recorded: 6 August 2020
Speaker: Prof. Dr. Renato Zanella - Read more

Review: Multivariate Curve Resolution Alternating Least Squares applied to Chromatographic Data: From the Basics to the Recent Advances

Igor Miranda Santana, Marcia Cristina Breitkreitz, Licarion Pinto

Article: Rapid Quantification of the Palm Kernel Biokerosene Content in Mixtures with Aviation Kerosene using MIR Spectroscopy and Multivariate Regression by PLS

Ademar Domingos Viagem Máquina, Maria Teresa Carvalho Ferreira, Edvando Souza Teles, Douglas Queiroz Santos, Waldomiro Borges Neto

Article: Rapid Quantification of the Palm Kernel Biokerosene Content in Mixtures with Aviation Kerosene using MIR Spectroscopy and Multivariate Regression by PLS

Ademar Domingos Viagem Máquina, Maria Teresa Carvalho Ferreira, Edvando Souza Teles, Douglas Queiroz Santos, Waldomiro Borges Neto

Article: Facing the Forensic Challenge of Cannabis Regulation: A Methodology for the Differentiation between Hemp and Marijuana Samples / Presumptive and confirmatory methods for hemp and marijuana analysis

Virgínia Martins Carvalho, Fernando Gomes de Almeida, Andrey Fabiano Lourenço de Aguiar, Fernanda Cardoso dos Santos Pereira, Ernesto Díaz Rocha

Review: Chemometric Approaches in Questioned Documents

Roberta Petry Gorziza, Marina González, Carina Maria Bello de Carvalho, Rafael Scorsatto Ortiz, Marco Flores Ferrão, Renata Pereira Limberger

Article: Fingermark Analysis by Fourier Transform Infrared Microscopy Using Chemometric Tools

Marina González, Kristiane de Cássia Mariotti, Adriano de Araújo Gomes, Marco Flôres Ferrão, Renata Pereira Limberger

Article: Hair mineralogram analysis for health assessment: Statistical bias from gender and aesthetic treatments

Gabrielly Peregrino, Carlos G. Massone, Adriana H. Nudi, Tatiana Dillenburg Saint’Pierre

Article: Soft Modelling of the Photolytic Degradation of Moxifloxacin Combining SERS Spectroscopy and Multivariate Curve Resolution

Mónica Benicia Mamián-López, Ronei J. Poppi

Article: Correlating Comprehensive Two-dimensional Gas Chromatography Volatile Profiles of Chocolate with Sensory Analysis

Luciana Fontes de Oliveira, Soraia Cristina Gonzaga Neves Braga, Fabio Augusto, Ronei Jesus Poppi

Article: Monitoring Mineral-Associated Organic Matter in Tropical Pastures using Near Infrared Spectroscopy

Felipe Bachion de Santana, André Marcelo de Souza, Fabiano de Carvalho Balieiro, Mirelly Mioranza, Renato Aragão Ribeiro Rodrigues, Ronei Jesus Poppi

Article: Chromatographic Analysis of Byproducts from a Non-Toxic Ammunition and a Marked Ammunition: An Assessment of Toxicity

Aline Marcelino Arouca, Maurício Leite Vieira, Márcio Talhavini, Ingrid Távora Weber

Article: Digital Images and Multivariate Calibration in the Determination of Rheological and Quality Parameters of Wheat Flour

Leticia Darlla Cordeiro, Patrícia Valderrama

Article: Data Mining, Machine Learning, Deep Learning, Chemometrics – Definitions, common points and Trends (Spoiler Alert: VALIDATE your models!)

José Manuel Amigo

Article: Footprint of Arsenic Contamination in Sediments and Water from Mining Sites – A case study based on multivariate optimization by GF AAS

Glenda Máris Mesquita De Filippis, Bruno Elias dos Santos Costa, Simone Soares de Oliveira Borges, Waldomiro Borges Neto, Nivia Maria Melo Coelho, Luciana Melo Coelho

Article: The use of Chemometrics to Discriminate Sample Adulteration in Different Levels: the case of Peruvian Maca

Heloísa de Carvalho Rodrigues, Hellen Fernanda da Silva Paulino, Patrícia Valderrama, Paulo Henrique Março

Article: Fast High–Resolution Mass Spectrometry and Chemometrics for Evaluation of Sensory Parameters of Commercial Coffee Blends

Victor Gustavo Kelis Cardoso, Guilherme Post Sabin, Leandro Wang Hantao

Article: Raman Imaging and Chemometrics Evaluation of Natural and Synthetic Beeswaxes as Matrices for Nanostructured Lipid Carriers Development

Hery Mitsutake, Gustavo Henrique Rodrigues da Silva, Lígia Nunes de Morais Ribeiro, Eneida de Paula, Ronei J. Poppi, Douglas N. Rutledge, Márcia C. Breitkreitz

Article: Carcinogenic and Non-Carcinogenic Health Risk Assessment of Heavy Metals in Njaba River, Imo State, Nigeria

Victor Chukwuemeka Eze, Chidiebere Temple Ndife, Miracle Oluebube Muogbo

Technical Note: Quantitative analysis of Δ9-THC-COOH in Human Urine by the Liquid-Liquid Extraction technique and Gas Chromatography-Mass Spectrometry: Adaptation, Optimization and Validation

Kleber Ota de Oliveira, Deborah Thais Palma Scanferla, Jordana Quaglia Pereira da Silva, Mariana Aparecida Oliveira Madia, Erika Bando, Miguel Machinski Junior, Camila Marchioni, Simone Aparecida Galerani Mossini

Review: Wireless Wearable Electrochemical Sensors

Thais Maria Rabelo Alves, Patricia Batista Deroco, Dagwin Wachholz Junior, Lourenço Henrique Bittar Vidotto and Lauro Tatsuo Kubota

Review: The Importance and Challenges for Analytical Chemistry in Proteomics Analysis

Weliton Pedro Batiston, Emanuel Carrilho

Article: Determination of Macro, Micro and Toxic Elements using Argon-Based Plasma Spectroanalytical Methods in order to support Brazilian Regulations on Inorganic Constituents in Infant Foods

Marcelo Larsen de Lima Tozo, Fernanda Costa Pinheiro, Joaquim Araújo Nóbrega

Article: Triclosan: Electrochemistry, Spontaneous Degradation and Effects on Double-Stranded DNA

Elizaura Hyeda Carvalho Silva, Ilanna Campelo Lopes, Evellin Enny Silva Bruzaca, Paulina Andréa Viana de Carvalho, Auro Atsushi Tanaka

Article: Emerging Contaminants in Aqueous Matrices Determined by Gas Chromatography-Mass Spectrometry

Emerson Luis Yoshio Hara, Barbara G. S. Soares, Adriano L. P. Paiva, Bruno José Gonçalves dos Santos, Gilberto Abate, Kelly Cavalcanti Machado, Beatriz Isabella Cestaro, Rafael Garrett Dolatto, Marco Tadeu Grassi

BrJAC Celebrates 10 Years of Existence

The BrJAC completed 10 years of existence on June 18, 2020. To celebrate this significant milestone, an online event was held in which the evolution and modernization that the journal has undergone in these 10 years was presented.

Pittcon 2021 was held as a Virtual Event

The Pittcon Conference & Expo, like the whole world, had to adapt due to the new coronavirus pandemic and held its 72nd edition as a virtual event, which took place March 8-12, 2021.

A robust mass spectrometer for precision medicine – the Orbitrap Exploris 240 mass spectrometer for large-scale plasma protein profiling

This report demonstrates the reliability and robustness of an Orbitrap mass spectrometer for large-scale, untargeted plasma protein profiling.

Total elemental analysis in clinical research using the Thermo Scientific iCAP TQ ICP-MS

This report focuses on the development of a robust method for the analysis of titanium and other trace elements in human serum reference materials using the Thermo Scientific iCAP TQ ICP-MS.

Preparation of Biological Samples for Trace Metal Analysis

This report presents the acid digestion of samples using ultrapure quartz inserts with low acid volumes ICP and AAS metal analysis.

Thermo Fisher Scientific – The world leader in serving science

To serve science, Thermo Fisher Scientific needs to think about advancing science, so customers have the freedom to be bolder and more innovative – we are committed to pushing science and technology a step beyond where it is.

A Milestone in Analytical Chemistry

Milestone has been active since 1988 in the field of advanced microwave sample preparation. Milestone provides the most innovative technology for metals analysis, direct mercury analysis and the application of microwave technology to extraction, ashing and synthesis.

Pittcon 2022: Finally a Chance to Collaborate in Person

Reconnect with colleagues, feel the instruments, and experience the sights. Celebrate bringing together a world of knowledge to impact, enrich, and inspire the future of science. March 5-9, 2022, Georgia World Congress Center, Atlanta, GA USA.

SelectScience® Pioneers online Communication and Promotes Scientific Success

SelectScience® informs through Editorial, Q&A and Application Articles, Featured Topics, Event Coverage, Video and Webinars.

CHROMacademy is the leading provider of eLearning for analytical science

For over 10 years, CHROMacademy has increased knowledge, efficiency and productivity across all applications of chromatography.

Events

Tentative agenda of events for 2021 & 2022. It is suggested to consult the event's official website for updates.

Periodicals & Websites

Get access to reliable sources of analytical chemistry information useful for researchers and for academic, R&D and industry Labs.

Notices of Books

Scientific books on Analytical Chemistry recently launched or to be launched soon are presented here.